[Patch agent] Select workspace dialog: select newly added workspaces

When the user adds a new workspace via the SelectWorkspaceDialog, the
newly added workspace is automatically selected/highlighted. The user
only needs to confirm the selection, instead of selecting and then
confirming.

Bug: 393266352
Change-Id: I6971e31cf1438d54b058807afa2d8a0832d0f6e3
Reviewed-on: https://chromium-review.googlesource.com/c/devtools/devtools-frontend/+/6368840
Reviewed-by: Ergün Erdoğmuş <[email protected]>
Auto-Submit: Wolfgang Beyer <[email protected]>
Commit-Queue: Wolfgang Beyer <[email protected]>

Author: wolfib

front_end/panels/ai_assistance/SelectWorkspaceDialog.test.ts

@@ -79,12 +79,16 @@ describeWithEnvironment('SelectWorkspaceDialog', () => {
     const {view} = createComponent();
     assert.strictEqual(view.callCount, 1);
     assert.lengthOf(view.input.projects, 2);
+    assert.strictEqual(view.input.selectedIndex, 0);
+
     view.input.onAddFolderButtonClick();
     assert.isTrue(addProjectSpy.calledOnce);
 
     createTestFilesystem('file://test3');
     const input = await view.nextInput;
     assert.strictEqual(view.callCount, 2);
     assert.lengthOf(input.projects, 3);
+    assert.strictEqual(input.projects[2].name, 'test3');
+    assert.strictEqual(input.selectedIndex, 2);
   });
 });

front_end/panels/ai_assistance/SelectWorkspaceDialog.ts

@@ -2,6 +2,7 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
+import type * as Common from '../../core/common/common.js';
 import * as i18n from '../../core/i18n/i18n.js';
 import type * as Platform from '../../core/platform/platform.js';
 import * as Persistence from '../../models/persistence/persistence.js';
@@ -206,8 +207,13 @@ export class SelectWorkspaceDialog extends UI.Widget.VBox {
                     Persistence.PlatformFileSystem.PlatformFileSystemType.WORKSPACE_PROJECT);
   }
 
-  #onProjectAdded(): void {
+  #onProjectAdded(event: Common.EventTarget.EventTargetEvent<Workspace.Workspace.Project>): void {
+    const addedProject = event.data;
     this.#projects = this.#getProjects();
+    const projectIndex = this.#projects.indexOf(addedProject);
+    if (projectIndex !== -1) {
+      this.#selectedIndex = projectIndex;
+    }
     this.requestUpdate();
   }